Once an engine incorporates more than a single cylinder, the ignition events get more complicated. Four-stroke engines have to be timed with the arcing of multiple spark plugs. This adds a great deal of complexity. What was simple with one cylinder seems overwhelming on a V-16.
Bagger 288 built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500
Cancer drug resistance continues to be a major impediment in medical oncology. Clinically, resistance can arise prior to or as a result of cancer therapy. In this review, we discuss different mechanisms adapted by cancerous cells to resist treatment,
When applied strategically, behavioral nudges could become powerful policy tools in the climate-change fight. If, for instance, utility companies implemented a default choice for renewables (opt-out), customers could lower their carbon footprints without doing anything.
Supermarkets could reduce the consumption of animal products by designing stores that displayed meat and dairy in less accessible areas. The majority of the people impacted by acute lung injuries have been adolescents and young adults.
Fractional Distillation process is used to separate a mixture of two or more miscible liquids which have boiling points close to each other. Since in this process, the distillate is collected in fractions under different temperatures, it is known as fractional distillation.
methyl alcohol (b. p. 338 K) or a mixture of benzene and toluene. One of the technological applications of fractional distillation is to separate different fractions of crude oil in petroleum industry into various useful fractions such as gasoline, kerosene oil, diesel oil,